23        virtual void log_init(
unsigned int t_n_sub_problems) = 0;
 
   25        virtual void log_master(
unsigned int t_iteration,
 
   27                                SolutionStatus t_problem_status,
 
   28                                SolutionStatus t_last_master_status,
 
   29                                SolutionReason t_last_master_reason,
 
   30                                double t_last_master_objective,
 
   31                                double t_last_master_time,
 
   34                                unsigned int t_n_generated_columns,
 
   35                                unsigned int t_n_present_columns) = 0;
 
   37        virtual void log_sub_problem(
unsigned int t_iteration,
 
   39                                     unsigned int t_sub_problem_id,
 
   40                                     SolutionStatus t_problem_status,
 
   41                                     SolutionStatus t_sub_problem_status,
 
   42                                     SolutionReason t_sub_problem_reason,
 
   43                                     double t_sub_problem_objective,
 
   44                                     double t_sub_problem_time,
 
   47                                     unsigned int t_n_generated_columns,
 
   48                                     unsigned int t_n_present_columns) = 0;
 
   50        virtual void log_end() = 0;